Mobile band saw blades. 1/2" x .020" x 44-7/8" Portable saw blade.Bi-Metal. 14/18 teeth per inch. Perfect for your mobile or portable band saw, these top-quality, bi-metal blades feature high-speed steel teeth that can handle even tough metals like stainless steel with ease. Bi-metal blades feature high-speed tool steel, bonded to an extra-tough alloy back for maximum hardness and heat resistance. Fits most popular models of portable band saws.